<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html lang="en">
<head>
<title>Source code</title>
<link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style">
</head>
<body>
<div class="sourceContainer">
<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2014 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: AbstractNavigableSet.html 842 2015-03-07 18:20:42Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.jsimpledb.util;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>import java.util.Comparator;<a name="line.10"></a>
<span class="sourceLineNo">011</span>import java.util.Iterator;<a name="line.11"></a>
<span class="sourceLineNo">012</span>import java.util.NavigableSet;<a name="line.12"></a>
<span class="sourceLineNo">013</span>import java.util.NoSuchElementException;<a name="line.13"></a>
<span class="sourceLineNo">014</span><a name="line.14"></a>
<span class="sourceLineNo">015</span>/**<a name="line.15"></a>
<span class="sourceLineNo">016</span> * Support superclass for {@link NavigableSet} implementations for which calculating {@link #size size()} requires<a name="line.16"></a>
<span class="sourceLineNo">017</span> * an iteration through all of the set's elements to count them.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * &lt;p&gt;<a name="line.19"></a>
<span class="sourceLineNo">020</span> * For a read-only implementation, subclasses should implement {@link #comparator comparator()}, {@link #contains contains()},<a name="line.20"></a>
<span class="sourceLineNo">021</span> * {@link #iterator iterator()}, and {@link #createSubSet createSubSet()} to handle reversed and restricted range sub-sets.<a name="line.21"></a>
<span class="sourceLineNo">022</span> * &lt;/p&gt;<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * &lt;p&gt;<a name="line.24"></a>
<span class="sourceLineNo">025</span> * For a mutable implementation, subclasses should also implement {@link #add add()}, {@link #remove remove()},<a name="line.25"></a>
<span class="sourceLineNo">026</span> * {@link #clear clear()}, and make the {@link #iterator iterator()} mutable.<a name="line.26"></a>
<span class="sourceLineNo">027</span> * &lt;/p&gt;<a name="line.27"></a>
<span class="sourceLineNo">028</span> *<a name="line.28"></a>
<span class="sourceLineNo">029</span> * &lt;p&gt;<a name="line.29"></a>
<span class="sourceLineNo">030</span> * All overridden methods must be aware of the {@linkplain #bounds range restriction bounds}, if any.<a name="line.30"></a>
<span class="sourceLineNo">031</span> * &lt;/p&gt;<a name="line.31"></a>
<span class="sourceLineNo">032</span> *<a name="line.32"></a>
<span class="sourceLineNo">033</span> * @param &lt;E&gt; element type<a name="line.33"></a>
<span class="sourceLineNo">034</span> */<a name="line.34"></a>
<span class="sourceLineNo">035</span>public abstract class AbstractNavigableSet&lt;E&gt; extends AbstractIterationSet&lt;E&gt; implements NavigableSet&lt;E&gt; {<a name="line.35"></a>
<span class="sourceLineNo">036</span><a name="line.36"></a>
<span class="sourceLineNo">037</span>    /**<a name="line.37"></a>
<span class="sourceLineNo">038</span>     * Element range bounds associated with this instance.<a name="line.38"></a>
<span class="sourceLineNo">039</span>     */<a name="line.39"></a>
<span class="sourceLineNo">040</span>    protected final Bounds&lt;E&gt; bounds;<a name="line.40"></a>
<span class="sourceLineNo">041</span><a name="line.41"></a>
<span class="sourceLineNo">042</span>    /**<a name="line.42"></a>
<span class="sourceLineNo">043</span>     * Convenience constructor for the case where there are no lower or upper bounds.<a name="line.43"></a>
<span class="sourceLineNo">044</span>     */<a name="line.44"></a>
<span class="sourceLineNo">045</span>    protected AbstractNavigableSet() {<a name="line.45"></a>
<span class="sourceLineNo">046</span>        this(new Bounds&lt;E&gt;());<a name="line.46"></a>
<span class="sourceLineNo">047</span>    }<a name="line.47"></a>
<span class="sourceLineNo">048</span><a name="line.48"></a>
<span class="sourceLineNo">049</span>    /**<a name="line.49"></a>
<span class="sourceLineNo">050</span>     * Primary constructor.<a name="line.50"></a>
<span class="sourceLineNo">051</span>     *<a name="line.51"></a>
<span class="sourceLineNo">052</span>     * @param bounds range restriction<a name="line.52"></a>
<span class="sourceLineNo">053</span>     * @throws IllegalArgumentException if {@code bounds} is null<a name="line.53"></a>
<span class="sourceLineNo">054</span>     */<a name="line.54"></a>
<span class="sourceLineNo">055</span>    protected AbstractNavigableSet(Bounds&lt;E&gt; bounds) {<a name="line.55"></a>
<span class="sourceLineNo">056</span>        if (bounds == null)<a name="line.56"></a>
<span class="sourceLineNo">057</span>            throw new IllegalArgumentException("null bounds");<a name="line.57"></a>
<span class="sourceLineNo">058</span>        this.bounds = bounds;<a name="line.58"></a>
<span class="sourceLineNo">059</span>    }<a name="line.59"></a>
<span class="sourceLineNo">060</span><a name="line.60"></a>
<span class="sourceLineNo">061</span>    @Override<a name="line.61"></a>
<span class="sourceLineNo">062</span>    public E first() {<a name="line.62"></a>
<span class="sourceLineNo">063</span>        return this.iterator().next();<a name="line.63"></a>
<span class="sourceLineNo">064</span>    }<a name="line.64"></a>
<span class="sourceLineNo">065</span><a name="line.65"></a>
<span class="sourceLineNo">066</span>    @Override<a name="line.66"></a>
<span class="sourceLineNo">067</span>    public E last() {<a name="line.67"></a>
<span class="sourceLineNo">068</span>        return this.descendingIterator().next();<a name="line.68"></a>
<span class="sourceLineNo">069</span>    }<a name="line.69"></a>
<span class="sourceLineNo">070</span><a name="line.70"></a>
<span class="sourceLineNo">071</span>    @Override<a name="line.71"></a>
<span class="sourceLineNo">072</span>    public E pollFirst() {<a name="line.72"></a>
<span class="sourceLineNo">073</span>        final Iterator&lt;E&gt; i = this.iterator();<a name="line.73"></a>
<span class="sourceLineNo">074</span>        if (!i.hasNext())<a name="line.74"></a>
<span class="sourceLineNo">075</span>            return null;<a name="line.75"></a>
<span class="sourceLineNo">076</span>        final E value = i.next();<a name="line.76"></a>
<span class="sourceLineNo">077</span>        i.remove();<a name="line.77"></a>
<span class="sourceLineNo">078</span>        return value;<a name="line.78"></a>
<span class="sourceLineNo">079</span>    }<a name="line.79"></a>
<span class="sourceLineNo">080</span><a name="line.80"></a>
<span class="sourceLineNo">081</span>    @Override<a name="line.81"></a>
<span class="sourceLineNo">082</span>    public E pollLast() {<a name="line.82"></a>
<span class="sourceLineNo">083</span>        return this.descendingSet().pollFirst();<a name="line.83"></a>
<span class="sourceLineNo">084</span>    }<a name="line.84"></a>
<span class="sourceLineNo">085</span><a name="line.85"></a>
<span class="sourceLineNo">086</span>    @Override<a name="line.86"></a>
<span class="sourceLineNo">087</span>    public Iterator&lt;E&gt; descendingIterator() {<a name="line.87"></a>
<span class="sourceLineNo">088</span>        return this.descendingSet().iterator();<a name="line.88"></a>
<span class="sourceLineNo">089</span>    }<a name="line.89"></a>
<span class="sourceLineNo">090</span><a name="line.90"></a>
<span class="sourceLineNo">091</span>    @Override<a name="line.91"></a>
<span class="sourceLineNo">092</span>    public E lower(E elem) {<a name="line.92"></a>
<span class="sourceLineNo">093</span>        return this.searchBelow(elem, false);<a name="line.93"></a>
<span class="sourceLineNo">094</span>    }<a name="line.94"></a>
<span class="sourceLineNo">095</span><a name="line.95"></a>
<span class="sourceLineNo">096</span>    @Override<a name="line.96"></a>
<span class="sourceLineNo">097</span>    public E floor(E elem) {<a name="line.97"></a>
<span class="sourceLineNo">098</span>        return this.searchBelow(elem, true);<a name="line.98"></a>
<span class="sourceLineNo">099</span>    }<a name="line.99"></a>
<span class="sourceLineNo">100</span><a name="line.100"></a>
<span class="sourceLineNo">101</span>    @Override<a name="line.101"></a>
<span class="sourceLineNo">102</span>    public E ceiling(E elem) {<a name="line.102"></a>
<span class="sourceLineNo">103</span>        return this.searchAbove(elem, true);<a name="line.103"></a>
<span class="sourceLineNo">104</span>    }<a name="line.104"></a>
<span class="sourceLineNo">105</span><a name="line.105"></a>
<span class="sourceLineNo">106</span>    @Override<a name="line.106"></a>
<span class="sourceLineNo">107</span>    public E higher(E elem) {<a name="line.107"></a>
<span class="sourceLineNo">108</span>        return this.searchAbove(elem, false);<a name="line.108"></a>
<span class="sourceLineNo">109</span>    }<a name="line.109"></a>
<span class="sourceLineNo">110</span><a name="line.110"></a>
<span class="sourceLineNo">111</span>    @Override<a name="line.111"></a>
<span class="sourceLineNo">112</span>    public NavigableSet&lt;E&gt; headSet(E newMaxElement) {<a name="line.112"></a>
<span class="sourceLineNo">113</span>        return this.headSet(newMaxElement, false);<a name="line.113"></a>
<span class="sourceLineNo">114</span>    }<a name="line.114"></a>
<span class="sourceLineNo">115</span><a name="line.115"></a>
<span class="sourceLineNo">116</span>    @Override<a name="line.116"></a>
<span class="sourceLineNo">117</span>    public NavigableSet&lt;E&gt; tailSet(E newMinElement) {<a name="line.117"></a>
<span class="sourceLineNo">118</span>        return this.tailSet(newMinElement, true);<a name="line.118"></a>
<span class="sourceLineNo">119</span>    }<a name="line.119"></a>
<span class="sourceLineNo">120</span><a name="line.120"></a>
<span class="sourceLineNo">121</span>    @Override<a name="line.121"></a>
<span class="sourceLineNo">122</span>    public NavigableSet&lt;E&gt; subSet(E newMinElement, E newMaxElement) {<a name="line.122"></a>
<span class="sourceLineNo">123</span>        return this.subSet(newMinElement, true, newMaxElement, false);<a name="line.123"></a>
<span class="sourceLineNo">124</span>    }<a name="line.124"></a>
<span class="sourceLineNo">125</span><a name="line.125"></a>
<span class="sourceLineNo">126</span>    @Override<a name="line.126"></a>
<span class="sourceLineNo">127</span>    public NavigableSet&lt;E&gt; descendingSet() {<a name="line.127"></a>
<span class="sourceLineNo">128</span>        return this.createSubSet(true, this.bounds.reverse());<a name="line.128"></a>
<span class="sourceLineNo">129</span>    }<a name="line.129"></a>
<span class="sourceLineNo">130</span><a name="line.130"></a>
<span class="sourceLineNo">131</span>    @Override<a name="line.131"></a>
<span class="sourceLineNo">132</span>    public NavigableSet&lt;E&gt; headSet(E newMaxElement, boolean inclusive) {<a name="line.132"></a>
<span class="sourceLineNo">133</span>        final Bounds&lt;E&gt; newBounds = this.bounds.withUpperBound(newMaxElement, BoundType.of(inclusive));<a name="line.133"></a>
<span class="sourceLineNo">134</span>        if (!this.bounds.isWithinBounds(this.comparator(), newBounds))<a name="line.134"></a>
<span class="sourceLineNo">135</span>            throw new IllegalArgumentException("upper bound " + newMaxElement + " is out of bounds: " + this.bounds);<a name="line.135"></a>
<span class="sourceLineNo">136</span>        return this.createSubSet(false, newBounds);<a name="line.136"></a>
<span class="sourceLineNo">137</span>    }<a name="line.137"></a>
<span class="sourceLineNo">138</span><a name="line.138"></a>
<span class="sourceLineNo">139</span>    @Override<a name="line.139"></a>
<span class="sourceLineNo">140</span>    public NavigableSet&lt;E&gt; tailSet(E newMinElement, boolean inclusive) {<a name="line.140"></a>
<span class="sourceLineNo">141</span>        final Bounds&lt;E&gt; newBounds = this.bounds.withLowerBound(newMinElement, BoundType.of(inclusive));<a name="line.141"></a>
<span class="sourceLineNo">142</span>        if (!this.bounds.isWithinBounds(this.comparator(), newBounds))<a name="line.142"></a>
<span class="sourceLineNo">143</span>            throw new IllegalArgumentException("lower bound " + newMinElement + " is out of bounds: " + this.bounds);<a name="line.143"></a>
<span class="sourceLineNo">144</span>        return this.createSubSet(false, newBounds);<a name="line.144"></a>
<span class="sourceLineNo">145</span>    }<a name="line.145"></a>
<span class="sourceLineNo">146</span><a name="line.146"></a>
<span class="sourceLineNo">147</span>    @Override<a name="line.147"></a>
<span class="sourceLineNo">148</span>    public NavigableSet&lt;E&gt; subSet(E newMinElement, boolean minInclusive, E newMaxElement, boolean maxInclusive) {<a name="line.148"></a>
<span class="sourceLineNo">149</span>        final Bounds&lt;E&gt; newBounds = new Bounds&lt;&gt;(newMinElement,<a name="line.149"></a>
<span class="sourceLineNo">150</span>          BoundType.of(minInclusive), newMaxElement, BoundType.of(maxInclusive));<a name="line.150"></a>
<span class="sourceLineNo">151</span>        if (!this.bounds.isWithinBounds(this.comparator(), newBounds))<a name="line.151"></a>
<span class="sourceLineNo">152</span>            throw new IllegalArgumentException("new bound(s) " + newBounds + " are out of bounds: " + this.bounds);<a name="line.152"></a>
<span class="sourceLineNo">153</span>        return this.createSubSet(false, newBounds);<a name="line.153"></a>
<span class="sourceLineNo">154</span>    }<a name="line.154"></a>
<span class="sourceLineNo">155</span><a name="line.155"></a>
<span class="sourceLineNo">156</span>    /**<a name="line.156"></a>
<span class="sourceLineNo">157</span>     * Search for a lower element. Used to implement {@link #floor floor()} and {@link #lower lower()}.<a name="line.157"></a>
<span class="sourceLineNo">158</span>     *<a name="line.158"></a>
<span class="sourceLineNo">159</span>     * &lt;p&gt;<a name="line.159"></a>
<span class="sourceLineNo">160</span>     * The implementation in {@link AbstractNavigableSet} checks the bounds then returns the first element from a head set.<a name="line.160"></a>
<span class="sourceLineNo">161</span>     * &lt;/p&gt;<a name="line.161"></a>
<span class="sourceLineNo">162</span>     *<a name="line.162"></a>
<span class="sourceLineNo">163</span>     * @param elem upper limit for search<a name="line.163"></a>
<span class="sourceLineNo">164</span>     * @param inclusive true if {@code elem} itself is a candidate<a name="line.164"></a>
<span class="sourceLineNo">165</span>     * @return highest element below {@code elem}, or null if not found<a name="line.165"></a>
<span class="sourceLineNo">166</span>     */<a name="line.166"></a>
<span class="sourceLineNo">167</span>    protected E searchBelow(E elem, boolean inclusive) {<a name="line.167"></a>
<span class="sourceLineNo">168</span>        if (!this.isWithinLowerBound(elem))<a name="line.168"></a>
<span class="sourceLineNo">169</span>            return null;<a name="line.169"></a>
<span class="sourceLineNo">170</span>        final NavigableSet&lt;E&gt; subSet = this.isWithinUpperBound(elem) ? this.headSet(elem, inclusive) : this;<a name="line.170"></a>
<span class="sourceLineNo">171</span>        try {<a name="line.171"></a>
<span class="sourceLineNo">172</span>            return subSet.last();<a name="line.172"></a>
<span class="sourceLineNo">173</span>        } catch (NoSuchElementException e) {<a name="line.173"></a>
<span class="sourceLineNo">174</span>            return null;<a name="line.174"></a>
<span class="sourceLineNo">175</span>        }<a name="line.175"></a>
<span class="sourceLineNo">176</span>    }<a name="line.176"></a>
<span class="sourceLineNo">177</span><a name="line.177"></a>
<span class="sourceLineNo">178</span>    /**<a name="line.178"></a>
<span class="sourceLineNo">179</span>     * Search for a higher element. Used to implement {@link #ceiling ceiling()} and {@link #higher higher()}.<a name="line.179"></a>
<span class="sourceLineNo">180</span>     *<a name="line.180"></a>
<span class="sourceLineNo">181</span>     * &lt;p&gt;<a name="line.181"></a>
<span class="sourceLineNo">182</span>     * The implementation in {@link AbstractNavigableSet} checks the bounds then returns the first element from a tail set.<a name="line.182"></a>
<span class="sourceLineNo">183</span>     * &lt;/p&gt;<a name="line.183"></a>
<span class="sourceLineNo">184</span>     *<a name="line.184"></a>
<span class="sourceLineNo">185</span>     * @param elem lower limit for search<a name="line.185"></a>
<span class="sourceLineNo">186</span>     * @param inclusive true if {@code elem} itself is a candidate<a name="line.186"></a>
<span class="sourceLineNo">187</span>     * @return lowest element above {@code elem}, or null if not found<a name="line.187"></a>
<span class="sourceLineNo">188</span>     */<a name="line.188"></a>
<span class="sourceLineNo">189</span>    protected E searchAbove(E elem, boolean inclusive) {<a name="line.189"></a>
<span class="sourceLineNo">190</span>        if (!this.isWithinUpperBound(elem))<a name="line.190"></a>
<span class="sourceLineNo">191</span>            return null;<a name="line.191"></a>
<span class="sourceLineNo">192</span>        final NavigableSet&lt;E&gt; subSet = this.isWithinLowerBound(elem) ? this.tailSet(elem, inclusive) : this;<a name="line.192"></a>
<span class="sourceLineNo">193</span>        try {<a name="line.193"></a>
<span class="sourceLineNo">194</span>            return subSet.first();<a name="line.194"></a>
<span class="sourceLineNo">195</span>        } catch (NoSuchElementException e) {<a name="line.195"></a>
<span class="sourceLineNo">196</span>            return null;<a name="line.196"></a>
<span class="sourceLineNo">197</span>        }<a name="line.197"></a>
<span class="sourceLineNo">198</span>    }<a name="line.198"></a>
<span class="sourceLineNo">199</span><a name="line.199"></a>
<span class="sourceLineNo">200</span>    /**<a name="line.200"></a>
<span class="sourceLineNo">201</span>     * Get a non-null {@link Comparator} that sorts consistently with, and optionally reversed from, this instance.<a name="line.201"></a>
<span class="sourceLineNo">202</span>     *<a name="line.202"></a>
<span class="sourceLineNo">203</span>     * @param reversed whether to return a reversed {@link Comparator}<a name="line.203"></a>
<span class="sourceLineNo">204</span>     * @return a non-null {@link Comparator}<a name="line.204"></a>
<span class="sourceLineNo">205</span>     */<a name="line.205"></a>
<span class="sourceLineNo">206</span>    protected Comparator&lt;? super E&gt; getComparator(boolean reversed) {<a name="line.206"></a>
<span class="sourceLineNo">207</span>        return NavigableSets.getComparator(this.comparator(), reversed);<a name="line.207"></a>
<span class="sourceLineNo">208</span>    }<a name="line.208"></a>
<span class="sourceLineNo">209</span><a name="line.209"></a>
<span class="sourceLineNo">210</span>    /**<a name="line.210"></a>
<span class="sourceLineNo">211</span>     * Create a (possibly reversed) view of this instance with (possibly) tighter lower and/or upper bounds.<a name="line.211"></a>
<span class="sourceLineNo">212</span>     * The {@code newBounds} are consistent with the new ordering (i.e., reversed relative to this instance's ordering if<a name="line.212"></a>
<span class="sourceLineNo">213</span>     * {@code reverse} is true) and have already been range-checked against {@linkplain #bounds this instance's current bounds}.<a name="line.213"></a>
<span class="sourceLineNo">214</span>     *<a name="line.214"></a>
<span class="sourceLineNo">215</span>     * @param reverse whether the new set's ordering should be reversed relative to this instance's ordering<a name="line.215"></a>
<span class="sourceLineNo">216</span>     * @param newBounds new bounds<a name="line.216"></a>
<span class="sourceLineNo">217</span>     * @return restricted and/or reversed view of this instance<a name="line.217"></a>
<span class="sourceLineNo">218</span>     * @throws IllegalArgumentException if {@code newBounds} is null<a name="line.218"></a>
<span class="sourceLineNo">219</span>     * @throws IllegalArgumentException if a bound in {@code newBounds} is null and this set does not permit null elements<a name="line.219"></a>
<span class="sourceLineNo">220</span>     */<a name="line.220"></a>
<span class="sourceLineNo">221</span>    protected abstract NavigableSet&lt;E&gt; createSubSet(boolean reverse, Bounds&lt;E&gt; newBounds);<a name="line.221"></a>
<span class="sourceLineNo">222</span><a name="line.222"></a>
<span class="sourceLineNo">223</span>    /**<a name="line.223"></a>
<span class="sourceLineNo">224</span>     * Determine if the given element is within this instance's lower bound (if any).<a name="line.224"></a>
<span class="sourceLineNo">225</span>     *<a name="line.225"></a>
<span class="sourceLineNo">226</span>     * &lt;p&gt;<a name="line.226"></a>
<span class="sourceLineNo">227</span>     * The implementation in {@link AbstractNavigableSet} returns {@code this.bounds.isWithinLowerBound(this.comparator(), elem)}.<a name="line.227"></a>
<span class="sourceLineNo">228</span>     * &lt;/p&gt;<a name="line.228"></a>
<span class="sourceLineNo">229</span>     *<a name="line.229"></a>
<span class="sourceLineNo">230</span>     * @param elem set element<a name="line.230"></a>
<span class="sourceLineNo">231</span>     * @return true if {@code elem} is within this instance's lower bound, or this instance has no lower bound<a name="line.231"></a>
<span class="sourceLineNo">232</span>     */<a name="line.232"></a>
<span class="sourceLineNo">233</span>    protected boolean isWithinLowerBound(E elem) {<a name="line.233"></a>
<span class="sourceLineNo">234</span>        return this.bounds.isWithinLowerBound(this.comparator(), elem);<a name="line.234"></a>
<span class="sourceLineNo">235</span>    }<a name="line.235"></a>
<span class="sourceLineNo">236</span><a name="line.236"></a>
<span class="sourceLineNo">237</span>    /**<a name="line.237"></a>
<span class="sourceLineNo">238</span>     * Determine if the given element is within this instance's upper bound (if any).<a name="line.238"></a>
<span class="sourceLineNo">239</span>     *<a name="line.239"></a>
<span class="sourceLineNo">240</span>     * &lt;p&gt;<a name="line.240"></a>
<span class="sourceLineNo">241</span>     * The implementation in {@link AbstractNavigableSet} returns {@code this.bounds.isWithinUpperBound(this.comparator(), elem)}.<a name="line.241"></a>
<span class="sourceLineNo">242</span>     * &lt;/p&gt;<a name="line.242"></a>
<span class="sourceLineNo">243</span>     *<a name="line.243"></a>
<span class="sourceLineNo">244</span>     * @param elem set element<a name="line.244"></a>
<span class="sourceLineNo">245</span>     * @return true if {@code elem} is within this instance's upper bound, or this instance has no upper bound<a name="line.245"></a>
<span class="sourceLineNo">246</span>     */<a name="line.246"></a>
<span class="sourceLineNo">247</span>    protected boolean isWithinUpperBound(E elem) {<a name="line.247"></a>
<span class="sourceLineNo">248</span>        return this.bounds.isWithinUpperBound(this.comparator(), elem);<a name="line.248"></a>
<span class="sourceLineNo">249</span>    }<a name="line.249"></a>
<span class="sourceLineNo">250</span>}<a name="line.250"></a>
<span class="sourceLineNo">251</span><a name="line.251"></a>




























































</pre>
</div>
</body>
</html>
